186978 2018-06-24 09:23:57 -0700 Assertion failure in JSEventListener::jsFunction() when running LayoutTests/http/tests/workers/worker-importScripts-banned-mimetype.html 2018-06-25 14:00:47 -0700 1 1 1 Unclassified WebKit WebCore Misc. WebKit Local Build Mac Unspecified RESOLVED DUPLICATE 157068 https://bugs.webkit.org/show_bug.cgi?id=184800 P2 Normal --- 1 dbates webkit-unassigned ap cdumez youennf oldest_to_newest 1435930 0 343468 dbates 2018-06-24 09:23:57 -0700 Created attachment 343468 More Logging Using a debug build of WebKit at r233053. Steps to reproduce: 1. Apply the attached patch. 2. Tools/Scripts/run-webkit-tests --debug --iterations 1000 --no-sample-on-timeout LayoutTests/http/tests/workers/worker-importScripts-banned-mimetype.html I saw the assertion failure once. Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x00000000bbadbeef Exception Note: EXC_CORPSE_NOTIFY Termination Signal: Segmentation fault: 11 Termination Reason: Namespace SIGNAL, Code 0xb Terminating Process: exc handler [1859] Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.JavaScriptCore 0x0000000327b84c50 WTFCrash + 16 (Assertions.cpp:267) 1 com.apple.WebCore 0x000000031997fd6e WebCore::JSEventListener::jsFunction(WebCore::ScriptExecutionContext&) const + 398 (JSEventListener.h:108) 2 com.apple.WebCore 0x000000031997f24d WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext&, WebCore::Event&) + 205 (JSEventListener.cpp:112) 3 com.apple.WebCore 0x0000000319f095f6 WebCore::EventTarget::fireEventListeners(WebCore::Event&, WTF::Vector<WTF::RefPtr<WebCore::RegisteredEventListener, WTF::DumbPtrTraits<WebCore::RegisteredEventListener> >, 1ul, WTF::CrashOnOverflow, 16ul>) + 966 (EventTarget.cpp:293) 4 com.apple.WebCore 0x0000000319f053ae WebCore::EventTarget::fireEventListeners(WebCore::Event&) + 318 (EventTarget.cpp:234) 5 com.apple.WebCore 0x0000000319f091a6 WebCore::EventTarget::dispatchEvent(WebCore::Event&) + 246 (EventTarget.cpp:194) 6 com.apple.WebCore 0x000000031b4ef9d4 WebCore::WorkerMessagingProxy::postMessageToWorkerObject(WebCore::MessageWithMessagePorts&&)::$_0::operator()(WebCore::ScriptExecutionContext&) + 340 (WorkerMessagingProxy.cpp:107) 7 com.apple.WebCore 0x000000031b4ef7e4 WTF::Function<void (WebCore::ScriptExecutionContext&)>::CallableWrapper<WebCore::WorkerMessagingProxy::postMessageToWorkerObject(WebCore::MessageWithMessagePorts&&)::$_0>::call(WebCore::ScriptExecutionContext&) + 52 (Function.h:101) 8 com.apple.WebCore 0x0000000319800a80 WTF::Function<void (WebCore::ScriptExecutionContext&)>::operator()(WebCore::ScriptExecutionContext&) const + 160 (Function.h:56) 9 com.apple.WebCore 0x00000003197ee3bd WebCore::ScriptExecutionContext::Task::performTask(WebCore::ScriptExecutionContext&) + 29 (ScriptExecutionContext.h:188) 10 com.apple.WebCore 0x0000000319eaf708 WebCore::Document::postTask(WebCore::ScriptExecutionContext::Task&&)::$_2::operator()() + 280 (Document.cpp:5836) 11 com.apple.WebCore 0x0000000319eaf549 WTF::Function<void ()>::CallableWrapper<WebCore::Document::postTask(WebCore::ScriptExecutionContext::Task&&)::$_2>::call() + 25 (Function.h:101) 12 com.apple.JavaScriptCore 0x0000000327ba9fcd WTF::Function<void ()>::operator()() const + 141 (Function.h:56) 13 com.apple.JavaScriptCore 0x0000000327bd60dd WTF::dispatchFunctionsFromMainThread() + 333 (MainThread.cpp:129) 14 com.apple.JavaScriptCore 0x0000000327bd8ce5 -[JSWTFMainThreadCaller call] + 21 (MainThreadMac.mm:56) 15 com.apple.Foundation 0x00007fff34e16f7a __NSThreadPerformPerform + 327 16 com.apple.CoreFoundation 0x00007fff329d2f2a __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 17 com.apple.CoreFoundation 0x00007fff32a7137c __CFRunLoopDoSource0 + 108 18 com.apple.CoreFoundation 0x00007fff329b9dc3 __CFRunLoopDoSources0 + 195 19 com.apple.CoreFoundation 0x00007fff329b9352 __CFRunLoopRun + 1232 20 com.apple.CoreFoundation 0x00007fff329b8c55 CFRunLoopRunSpecific + 467 21 com.apple.Foundation 0x00007fff34dd1881 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 280 22 com.apple.Foundation 0x00007fff34dd1756 -[NSRunLoop(NSRunLoop) run] + 76 23 libxpc.dylib 0x00007fff60225f1e _xpc_objc_main + 567 24 libxpc.dylib 0x00007fff60224b75 xpc_main + 443 25 com.apple.WebKit.WebContent 0x000000010c83406c main + 1340 (XPCServiceMain.mm:160) 26 libdyld.dylib 0x00007fff5ffdc151 start + 1 1435953 1 youennf 2018-06-24 18:47:43 -0700 Isn't it the same issue as https://bugs.webkit.org/show_bug.cgi?id=157068 1436228 2 dbates 2018-06-25 14:00:47 -0700 *** This bug has been marked as a duplicate of bug 157068 *** 343468 2018-06-24 09:23:57 -0700 2018-06-24 09:23:57 -0700 More Logging 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